Home / 65,670,502.31-90,620,974.67-37,788,712.37

Finding the Fourth Proportional to 65,670,502.31, 90,620,974.67 and 37,788,712.37

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Solution

The fourth proportional to 65,670,502.31, 90,620,974.67 and 37,788,712.37 is: 52,145,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,670,502.31 : 90,620,974.67 = 37,788,712.37 : x
  2. Step 2: Convert to fraction form
    65,670,502.31/90,620,974.67 = 37,788,712.37/x
  3. Step 3: Cross multiply
    65,670,502.31x = 90,620,974.67 × 37,788,712.37
  4. Step 4: Simplify right side
    65,670,502.31x = 3,424,449,946,304,742
  5. Step 5: Solve for x
    x = 3,424,449,946,304,742/65,670,502.31
  6. Step 6: Final answer
    x = 52,145,938.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.